as well as legal and ethical considerations. It ensures readers know what to look out for when considering a potential cyber attack and imparts how to prevent attacks early on, explaining how threat actors can exploit a system's vulnerabilities. It also includes analysis of large scale attacks such as WannaCry, NotPetya, Solar Winds, VPNFilter, and the Target breach, looking at the real intelligence that was available before and after the attack. Topics covered in Cyber Threat Intelligence include: * The constant change of the threat environment as capabilities, intent, opportunities, and defenses change and evolve * Different business models of threat actors, and how these dictate the choice of victims and the nature of their attacks * Planning and executing a threat intelligence programme to improve an organistation's cyber security posture * Techniques for attributing attacks and holding perpetrators to account for their actions Cyber Threat Intelligence describes the intelligence techniques and models used in cyber threat intelligence. It provides a survey of ideas, views and concepts, rather than offering a hands-on practical guide. It is intended for anyone who wishes to learn more about the domain, particularly if they wish to develop a career in intelligence, and as a reference for those already working in the area.